Casting-machine.



P. s. MENOUGH.

CASTING MACHINE.

APPLICATION HLEO APR. 26, 1913- Patented Nov. 30, 1915.

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wi/twwoeo P.'-s. MENOUGH. CASTING MACHINE.

APPLICATION FILED APR-26. I9I3. I

' Patented NOV. 30,1915.

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APPHCATION FILED APR.26, I913.

Patented Nov. 30, 1-915 4 SHEETS-SHEET 3.

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, CAST I N'G MACHINE.

APPLICATION FILED APR-26, ISIS- r 1,162 246, Patented Nov. 30, 1915.

4 SHEETS-SHEET 4.

PAUL S. MENOUGH, OF WELLSVILLE, OHIO.

Application filed April 26, 1913. Serial No. 766,752.

To all whom it may concern:

Be it known that 1, PAUL S. MEN UGH, a citizen of the United States,residing at Wellsville, in the county of Oolumbiana and State of Ohio,have invented certain new and useful Improvements in Casting-Machines,

of which the following is a specification, reference being had thereinto the accompanying drawings.

This invention relates to machines for making small castings inpermanent molds.

The machine as illustrated in the drawings is primarily intended for theproduction of iron castings, but I desire it to be understood thatmachines embodying my invention can be used for other metals, as, forinstance, steel, bronze or aluminum. The machine is adapted for themaking of small washers, but it will be understood that my invention isnot so limited and that the machine, with modifications, can be used forcasting other small parts.

One of the objects of the invention is to provide, a casting machinehaving an im proved arrangement controlling device s therefor.

Another object is to provide improved mold sections and improved devicesfor ejecting castings from the molds. I

Another object is to provide improved means for moving and controllingthe parts of the mold.

A further object is to provide an improved means for supplying moltenmetal to the mold.

A still'further object is to provide means whereby the various parts ofthe machine can be controlled and operated electrically.

Other objects will be apparent from the following specification'andclaims. Y

Of the accompanying drawings, which illustrate the embodiment of myinvention which I now deem preferable, Figurel is a plan vie of a singlemachine with the mold closed, the metal reservoir and associated partsbeing removed for the sake of clearness. It will be understood practiceI prefer to use a battery of machines such as that shown in thedrawings. Fig. 2 is a plan view similar to Fig. 1 but showing the moldopen. Fig. 3 is an end elevation of a single machine, together with partof an opposite or companion machine. This view also shows the metalreservoir and shows in section one of the valves for the molten metal.

CASTING-MACHINE.

Specification of Letters Patent.

of mold sections, and

that in Fig. 41s an end view of a,

Patented Nov. 30, 1915.

single machine. Fig. 5 is a view of the movable mold part, thisviewbeing taken along the line 55 of Fig. 2. Fig. 6 is a.

planview', partly diagrammatic, of the controlling mechanism for themachine. Fig. 7 lsan end view of a part of the controlling mechanism.Fig. 8 is a diagrammatic view of the entire apparatus showingtheelectrical connections.

Referring to the drawings, 1 represents a stationary mold sectlon whichis secured to and mounted upon the main base castings 2, 2. As shown inthe'drawings, this mold section 1 is simply a prismatic block of metalwith smooth parallel surfaces 8, 3, adapted to cooperate with moldsections 4, 4.

The molds which I have shown are adapted for the casting of washers anduse is made of the planesurfaces 3, 3, of the block 1 which cooperatewith the recesses or depressions 5, 5 in the blocks 4, 4 to form theoutlines of the washers. When other devices are to.-be cast, the moldsections must obviously be correspondingly modified.

Each'block. or mold section 4 has secured to it frames or housings,mounted wheels castings 2, 2, are tracks 8, 8, which are adapted toengage with and support the wheels 7 ,7. The mold sections or blocks 4,4, are'supplementally guided and supported by means of 6, 6, in whichare or rollers 7, 7 On the base pins 8 which are rigidly mounted in the'in the cylinder isa piston 10 which has connected to it a rod 1.1.

At 12 there is a stufling tight joint around the rod.

The end of the piston rod 11 is pivotally connected at 13 to lugsor'ears 14 on a fiat vertical plate 15. Secured to this plate 15,preferably by means of countersunk screws 15", are pins suitableapertures in the mold section 4 and into the recesses or depressionsthey serve'to form the eyes or holes in the washers as they are cast.The ends of these pins 16, 16 are slightly tapered, as shown, in orderto permit easy withdrawal.

The plate the block or mold section 4, but this movement is limited bythe clips 17, 17 whichextend over the ends of the plate. When-the 15 ismovable with respect to box for forming a 16, 16, which'extend throughpiston and pistonrod are moved outward in the manner to be described,the plate and the pins 16, 16 are moved with them. In this way theendsof the pins are withdrawn from the recesses and consequently from thewashers which have been formed in the recesses 5,5. However, as soon asthe plate 15 contacts with the clips 17, 17, motion is collars 22 are,engaged air or water und transmitted to the'mold section 4 and it ismoved outward with the plate to the position indicated in Fig. 2. On thereturn movement theplate is first moved into contact with the block andthe pins are moved into the operative positions. Then the block is movedwith the plate and all of the parts arereturned to the position shown in1g. 18 is a transverse strip or-plate which is secured in place in anydesired way, but preferably by being caught under the nuts which holdthe stufling box 12 in place. This plate 18 carries at its ends smallbearing castings 19, 19, which are apertured to receive pins 20, 20.These pins extend inward through suitable apertures in the mold section4 and terminate at their inner ends in collars or enlargements 21, 21which are normally seated in suitable recesses adjacent and joining thelarger recesses 5, 5. Each pin 20 carries an intermediate collar 22 anda spring23 interposed between the collar 22 and the block 4 normallyholds the pin in its outermost position. However, when the mold section4 and associated parts are retracted, as shown in Fig. 2, the by theplate 18 and the pinsare moved inward relative to the block or moldsection 4 and serve to engage and eject washers from therecesses of themold. As soon as the mold section returns to its normal position, asshown in Fig. 1, the springs. 23 return the pins to their outermostpositions. It will be understood that the number and position of'thepins 21 can be varied as found necessary.

For operating the piston 10 in the. cylinder 9 use may be made of eithercompressed er pressure. For present purposes I will re er to the motivefluid as air,'but it will be understood that wateror other fluid may beused if preferred.

24 and 25 represent ports communicating with the cylinder 9 at the innerand outer ends respectively.

26 and 27 are three-way valves, The valve 26 communicates with thesupply pipe 28 and with the port 24 by means of the pipe 29. The valve27 communicates with the supply pipe 28 and with port 25. The dischargeducts for the valves are indicated at 26 and 27. Each valve issoconstructed that when in one position it will establish communicationbetween the supply pipe and the corresponding port, and when in anotherposition, will establish communication be inner end of the cylinder 9.

4 is provided which is v to the bottom wall 'recess-in the bottom wallThe rod 40 is,

reservoir.

to them gear wheels 30 and 31. These gear wheels mesh with rack teethformed on a ,5

bar 32 which is slidable horizontally through solenoids 3-3 and 34. Whenthe solenoid 34 is energized, the rod 32 is moved to the position shownin Fig; 1 turned to admit pressure fluid to outer end of the cylinder.At the same time the valve 26 is moved to connect the inner end of thecylinder with the atmosphere. In this way the movable mold section 4 isforced against the stationary mold section 1. hen the solenoid 33 isenergized, the rod 32 is moved to the position shown in F ig. 2 andthevalve 26 is turned to admit pressure fluid to the At the same timethe valve is turned to connect the outer end of the cylinder with theatmosphere.

and the valve 27 is l In this way the piston is actuated to retract the,movable mold section and to bring the parts into positions shown inFig. 2.

For admitting metal to the mold recesses 5, 5 in the mold section 4, agate opening 35 preferably, though not necessarily, shaped in the mannershown in Fig. 5. This gate opening terminates at its upper end in aconical recess or sprue 36 formed partly in the mold section 4 andpartly in the mold section 1.

37 is a reservoir for molten metal mounted above the molds. Thereservoir extends over the entire battery of molds and serves to supplyall of them. It is-preferably a suitably lined metal tank provided withpins 37", 37 which are arranged to enter recesses 37 in thestationarymold section 1 and to be in this way entirely supported.

38, 38 are short pipes or nipples positioned respectively immediatelyabove the conical recess 36 and connected at their upper ends of the,reservoir 37. At the upper end of each pipe there is a conical of thereservoir. 39 is a valve mounted at the lower end of 4 a bushing 41 ofrefractory material such as porcelain. The porcelain sleeve or bushingis held in place by meansof nuts 42. p

43 is a weight for holding the valve 39 normally in position. Thisweight can conveniently be formed by providing an iron shell and fillingit with lead.

at its upper end, screwed into or otherwise secured to a bar 44 whichisguided at its upper end in a bearing in a suitable framework 45.

46 is an approximately horizontal lever which is pivoted between itsends at 47 to a bracket on the cross bar 47 mounted on the The inner endof the lever 46 is connected by means of a link 48 with the bar 44connected to the rod 40. The other end vertical'rod 49, which, at

- contact 58 with pipes 52, such as mechanism.

of the lever 46 is pivotally connected with a its lower end, ex- Acollar 51 on the its downward movetends into a solenoid 50. rod 49serves to limit ment.

From the foregoing description it will be obvious that when the solenoid50 is energized the rod 49- will be moved downward and the rod 40 willbemoved upward to very quickly open the valve 39. As soon as thesolenoid 50 is deenergized, the valve 39 will be quickly returned to itsclosed position by the weight 43.

It will be observed that the valve operating mechanism ismounted'entirely on the reservoir and that the whole-reservoir, together with the valves and operating mecha nism, can be readilyremovedat will. However, it will be understood that temporary braces orstays may be used without departing from the spirit of this feature ofmy invention.

The several mold sections are provided with means whereby water or otherfluid can be circulated through them to keep them cool. Preferably themold sections are con-v structed by being cast around asystem ofindicated by dotted lines in Fig. 5. The end pipes of this system areconnected by flexible tubing with a suitable source from which cold orcool water can be supplied. Fresh water can be used or, if preferred,the water can be run through a cooling system and used over again. Whenwater is used in the operating cylinders it can, if desired, be passedfrom the cylinders through the cooling pipes.

Referring to Figs. 6 and 7, 53 represents the main sh ft for theelectrical controlling his shaft can be driven in any desired way, but,for purposes of illustration, I have shown it driven from an electricmotor 54 by means of gearing 55. The speed of rotation of the shaft53'will depend upon the time required for the several operations of thecasting machines, and can be adjusted in accordance with the conditions.-Mounted upon this shaft 53 are disks of which one is provided for eachmachine. For the sake of simplicity, I have shown in the drawings butone such disk, this being represented by the reference character 56.Each disk is formed of insulating material such as fiber and has mountedupon 1ts periphery contact plates 57, 58 and 59 which are spaced fromeach other both longitudinally and circumferentially. Mounted upon oneside of each disk are three concentric metallicrings 60, 61 and 62. Bymeans of suitable connections extending through the body of the disk,the contact 57 is connected with the ring 60, the the ring 61 and thecontact 59 with the ring 62.

63 is a vertical plate for supporting a se K ries of brushes. For eachdisk there are horizontally pivoted to this plate at 64 three brushes65, 66' and 67, arranged to contact,

respectively, with the plates 57 58 and 59.

These brushes are properly insulated from thesupporting plate. Extendinghorizont-ally from the plate .63 and insulated therefrom are brush arms68, 69 and 70 arranged to contact, respectively, with the rings 60, 61and 62. The brushes 67 and 7 O. atone disk are connected through asuitable source of current with the solenoids 50 for operat- 4 ing thevalves of companion machines. The

brushes and 68 are connected through a suitable source of current withthe solenoid 33 for moving the valves to open the molds. The brushes 66and 69 are connected through a suitable source of current with thesolenoid 34 for moving thevalves to close the molds.

Separate disks and provided for the several sets of machines in orderthat each, may be controlled and separate brushes are stopped or startedindependently of the others. For providing this independent controlmanually controllable switches are 1nterposed between the disks and thesolenoids.

While I have shown anddescribed the form of controlling mechanism, I nowprefer itwill be understood that as to the details of this part of myinvention there may be wide variation.

For starting the operation of the apparatus it may be necessary to warmthe valves 39 by means of a gas flame or otherwise. Assuming that thishas been done and that the reservoir 37 is filled with molten-metal, theoperation will proceed as follows: As the contact strip 59 on therotating disk 56 is engaged by the brush 67, the circuit is completedthrough the solenoids 50 and the rods 49 are jerked downward to quicklyopen the valves 39. This quick opening of the valves is of muchimportance as it prevents a thin stream of metal from first enteringthevalve apertures and the gates and becoming hardened. The length of thestrip 59 is made such that the valves 39 will be held open just longenough to -fill the molds. As soon as the strip 59 passes 'onward tobreak the circuit through the solenoids 50, the valves. will be quicklyshut by the weights 43. The contact strip or plate 57 is located at aposition on the disk such that time'is allowed for the castings to coolbefore it is engaged by its brush 65. As. soon as it is engaged by thebrush, the circuit is completed through the solenoids 33 and the partsare operated in the manner before described to bring the mold into theopen position shown in Fig. 2 and to eject the castings. As soon as themolds are opened and the castings ejected, they are again closed by thecontacting of the strip 58 with the brush 66 which completes the circuitthrough the solenoids 34, thus returning the parts to the position shownin Fig. 1.

' neath the machine A suitable receptacle can be provided beforreceiving the castings as they are ejected.

here are a number of advantages incident to the provision of twomovable. mold sections such as I provide, together with the two sets ofoperating devices therefor. By

providing the two molds and the two motors,

and by arranging them to-act simultaneously in opposition to each other,I avoid subjecting the central mold section to any severe strains. Themovable sections contact with 7 it on opposite sides at t e same timeand with equal pressure, and the result is that the actions of thetwo-movable sections balance each other so that the stationary sectionis not subjected to any forces tending to move it.. By providing thetwo-movable to cooperate therewith to form molds, means for supplyingmolten metal to V with a plurality sections in combination with thecentral stationary section, I am enabled to make use of a singlereservoir for the molten metal. The simultaneously opening Valves 39, 39admit the molten metal to both molds simultaneously.

What I claim is:

1. In a machine for makingmetal castings, the combination of astationary. support, a central mold section secured to the support, twomovable mold sections at opposite sides of the central section andadapted two completethe molds when the movable sections are in operativepositions, two separate motors connected respectively to the two movablesections, and means for controlling the motors to cause them tosimultaneously move the .movable mold sections away. from or toward eachother out of or into operative positions. 11 a machine for maklng metalcast ings, the combination of astatlonary suppositions. me for makingmetal, castd each provided of spaced interior passages for a coolingfluid, the movable sections be ing adapted .to cooperate with thecentral adapted to cooperate I ings, the combination of voir to the twosections to form two'complete molds, means for supplying molten metal tothe molds When the movable sections are in operative positions, meansfor supplying cooling fluid to the passages in the three sections, andmeans for moving the said movable sections away from and toward thecentral section.

In a machine for port, a central mold section secured to the support,two movable mold sections at opposite sides of thecentral section andadapted to cooperate therewith to form two complete molds, the moldvided with recesses adapted to form (when the movable sections are inoperativepositions) two separate gate openings, one for each mold, meansfor supplying molten metal simultaneously in tWo separate streams to thetwo gate openings, and means for moving the said movable sections awayfrom and toward the central section.

5.In a machine for making metal castings, the combination of astationary support, a central mold section rigidly secured to thesupport, two movable mold sections at opposite sides of the centralsection and adapted to cooperate therewith to form two complete molds,the said movable sections aving apertures extending in the direction ofmovement, unitary guide pins extending through the fixed moving the 6 Ina machine for making metal castings, the combination of a stationarycentral mold section, two movable mold sections at opposite sides of thecentral section and therewith to form two complete molds, means forsimultaneously moving the side mold sections toward and away from thecentral section, a reservoir for molten metal mounted in fixedrelationship to the said'central mold section, and valves foradmittingmetal from the reservoir to the two molds simultaneously when themovable'sections are in operative positions.

'7. In a machine for making metal casta stationary central mold section,two movable mold sect1ons at opposite sides of the central section andadapted to cooperate therewith to formtwo complete molds, means forsimultaneously moving the side mold sections toaway from making metalcast-' .ings, the combination of a stationary supsections being pro-'-ward and away from the central section, a reservoir for molten metalmounted 1n fixed relationship to the central mold section, valves foradmitting metal from the resermolds simultaneously, and

move into operative 8. In a machine for making metal castautomaticallyacting means for opening the said valves when the said side sectionspositions.

ings, the combination of a stationary central mold section, two movablemold sections at opposite sides of the central section and adapted tocooperate therewith to form two complete molds, means for simultaneouslymoving the side mold sections toward and away from the central section,a reservoir for molten metal mounted in fixed relationship to thecentral mold section, valves for admitting metal from the reservoir tothe two molds simultaneously, and

automatically acting means for successively moving the side moldsections into operative positions, opening the said valves, closing thesaid valves and moving the said side ,mold sections out of operativepositions.

9. In a machine for making metal casiings, the combination of astationary central mold section, two movable mold sections atopposite-sides of the central section and adapted to cooperate therewithto form two complete molds, meansfor simultaneously moving the side moldsections toward and away from the central section, a reservoir formolten metal mounted in fixed relationship to the central mold section,valves for admitting metal from the reservoir to the two moldssimultaneously, and automatically acting means for successively movingthe side mold sections into operative positions, opening the saidvalves, closing the said valves, moving the side mold sections out ofoperative positions and ejecting thecastings from the said molds,

10. In a machine for making metal castings, the combination of astationary support, acentral mold section rigidly secured to thesupport, two movable mold sections at opposite sides adapted tocooperate therewith to form complete molds, means for simultaneouslymoving the side mold sections toward and away from the central section,a reservoir for molten metal mounted entirely on the said fixed moldsection, and valves for admitting metal from the reservoir to the moldswhen the movable sections are in operative positions.

11. In a machine for making metal castings, the combination of astationary support, a central mold section rigidly secured to thesupport, two movable mold sectlons at opposite sides of the centralsection and adapted to cooperate therewith to form complete molds, meansfor simultaneously moving the side mold sections toward and away fromthe central section, a removable reservoir for molten metal designed tobe heldon the said fixed mold section by gravity alone, inter-engagingmeans on the mold sect1on and the. reservoir for preventing lateralmovement of the reservoir, and valves of the central section and foradmitting metal from the reservoir to the molds when the movablesections are in operative positions.

12. In a machine for making metal castings, the combination of astationary support, a central mold section rigidly secured to thesupport, two movable mold sections at opposite sides of the centralsection and adapted to cooperate therewith to form comat opposite sidesof the central section and adapted to cooperate therewith to formcomplete molds, means for simultaneously moving the side mold sectionstoward and away from the central section, a removable reservoir formolten metal designed to be held on the said fixed mold section bygravity alone, and valves and .valve operating devices mounted entirelyon the reservoir and removable with it from the mold sections.

14. In a machine for making metal castings, the combination of two moldsections adapted when in contact to form a complete mold, means formoving one of the sections away from and toward the other, the saidmovable section being provided with a small recess adjacent andcommunicatingwith the casting space and with an aperture smaller thanthe recess extending into the said recess from the outside of thesection along linesparallel to the lines of movement of the section, apin slidably mounted in the recess having a head adaptedto lie in andfill the recess,'a collar on' the pin outside of the mold section, aspring interposed between the mold section and the'collar for normallyholding the pin in its outermost position with the head'in the recess,means for sup-.

plying molten metal to the'mold when the sections are in contact, and ansitioned to be engaged by the collar on the abutment popin as the moldsection is moved whereby the said head is movedi'nto the eject thecasting therefrom.

15. In a machine for casting metal ers or other apertured metalarticles, the combination of two mold sections adapted when in contactto form a complete mold, a pin slidably mounted in an aperture in one ofthe said sections and normally extending into the casting space forforming the aper-' ture in the casting, .an ejector pin slidably mountedin another aperture in the last said section and normally positionedwith its incasting space to washner end outside the casting space, meansfor sections are 'the pin can be moved supplying molten metal to themold when the sections are in contact, means for moving one of the moldsections relatively to the other, and means'dependent on the movement ofthe mold section for moving the first said pin to withdraw it from thecasting space and for moving the second said pin to force it into thecasting space thereby ejecting the casting.

16. In a machine for casting metal -wash-' ers or other apertured metalarticles, the combination of two mold sections adapted when -in contactto form a complete mold, a pin slidably mounted in an aperture on one ofthe said sections andnormally extending into the casting space forforming the aperture in the casting, means for limiting the slidingmovement of the pin, in both directions with respect to its moldsection, means connected with the pin whereby with respect to the movedbodily with the from the other section, plying molten metal to incontact.

n a machine for making metal castpin toward or away and means for supthe.mold when the ings, the combination of two mol'd se'ctions adapted whenin contact to form a-complete mold, means for su lying molten metal tothe mold when the g a cylinder, a slidable p'ston inthe cylinderconnected to one of t e mold sections to move it with respect to theother, means for supplying motive fluid means to one end of the cylinderand the mold, means a cylinder, a slidablecpiston in the cylinder otherfor connecting it to. the other, and means acting, first, tosimultaneously move both valves to open one'and-close.the-other andthereby move'the piston to bring the mold sections into contact, second,to admit a quantum of molten metal from the supply means to the mold,and third, to simul connected to one of the 'mold move it with respectto the other, means for supplying motive fluid under I valves one forconnecting the fluid 'supply pressure, two

means to one end of the-cylinder and the other for connecting it 'to theother, two

. gear wheel-s connected respectively to the valves, a slidablebar-having two sets of rack teeth engaging respectively with the teethof? the gear wheels, and means acting, first, to move the bar in onedirection to turn 'or closing. the one .and automatically actingtlonsare in-contact, v

"supply means to the mold when the mold under pressure, we: 'valves onefor connecting the fluid supply the gear wheels and open one valve andclose the other, whereby the piston is moved to bring the mold sectionsinto contact, second, molten metal from ings, the combination of twomold sections for making metal cast-- adaptediwhen in contact to form acomplete mold,

means for supplying molten metal to the mold when the sections are in'contact, a cylinder, a slidable piston in'the cyllnder connected to one.of the mold sections to move it with respect to the other, means forsupplying motive fluid under two valves one for connecting the fluidsupply means to one-end of the cylinder and,

the other for'connecting it to the other, two gear wheels connectedrespectively to the valves, a slidable bar having two sets of rackteeth, engaging respectively with the teeth of the gear wheels, twosolenoids surrounding the barfor moving the bar in one direction whenone 'is energized and in the other direction when .the other isenergized, thereby opening one valve and closing the other and openingthe other,

means for admittmg a quantum of molten metal from the sections .arebrought into' contact under the influence of one of the said solenoids.

20. ings, the combination of adapted when in contact to form a completemold, means for supplying molten metal to the mold when the sections arein contact, a cylinder, a slidable piston in the cylinder supplyingmotive fluid under valves one for connecting the fluid supply means toone end of the cylinder and the other for connecting it 'to the other,two solenoids, means for opening one valve and of one ofthe saidsolenoids.

' 1 In a machine for making metal castings, the-combination of two moldsections a apted when in contact to form a complete mold, means forsupplying molten'metal to the mold when the sections are in contact, acylinder, a slidable piston in the cylinder brought into contact underthe influence pressure,

In a machine for makingmetal casttwo mold sections pressure, two

adapted when connected to one of the mold sections to move it withrespect to the other, means for supplying motive fluid under pressure,two valves one means to one end of the cylinder and the other forconnecting it to the other, electrically controlled means for openingone valve and closing the 'other and for closing the one and opening theother, whereby the piston is moved to bring the movable mold sectioninto or out of contact with the other section, and. automatically actingmeans for admitting a quantum of molten metal from the supply means tothe mold when the mold :sectionsare brought into contact under theinfluence of the said electrically controlled means.

22. In a machine for making metal cast-- ings, the combination of twomold sections in contact to form a complete mold, means for supplyingmolten metal to the mold when the sections are in contact, a motor formoving one away from or toward the other, means for supplying power tothe motor, and an electrically controlled device supplemental to themotor and supplemental to the means for supplying power thereto forcontrolling the operation thereof. I

23. In a machine for making metal castings, the combination of two moldsections adapted when in contact to form a complete mold, electricallycontrolled means for movingone' of the sections away from or toward theother, a. reservoir for molten metal above the moldsections, a valve foradmitting metal from the reservoir to they mold sections, electricallycontrolled means for opening the valve, and a common automaticallyacting controller for the said mold section moving means and the saidvalve moving means.

for connecting the fluid supply sections together.

toward the other, of the sectionscessively to 24. In a machine formaking metal castings, the combination of two mold sections adapted whenin contact to form a complete mold, electrically controlled means formoving one of the sections away from or toward the 0ther, a reservoirfor molten metal above the mold sections, a valve for admitting metalfrom the reservoir to the mold sections,'electrically controlled meansfor opening the valve, a common automatically acting controller for thesaid mold section moving means and the said valve moving means, the saidcontroller acting to open the valve, to close the valve, to separate themold sections and to bring the mold 25. In a machine for making metalcastthe combination of two mold sections adapted when'in contact to forma complete mold,electrically controlled means for moving one of thesections away from anda reservoir for molten metal, a valve foradmitting molten metal from the reservoir to the mold' when. thesections are in contact,-electrically controlled means for operating thevalve, a rotatable controlling mechanism provided with meansfor'mal'ring and brealdng connections succause the movable section tomove into contact with the other section, to cause the valve to open, torelease the valve to permit it to close, and to cause the movablesection to move away from the other section, and a motor for drivingthe'controlling mechanism continuously.

In testimony whereofI aflix my signature, in presence of two witnesses.

. a UL SMENOUQJ-L Witnesses: G. W. ADAMS,

